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P1819 CHEVROLET

P1819 CHEVROLET - Internal Mode Switch

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Internal Mode Switch
  • Internal Mode Switch harness is open or shorted
  • Internal Mode Switch circuit poor electrical connection

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1819 Chevrolet Description

With the key in Start (crank) position, system voltage from 9-18v, the Powertrain Control Module (PCM) detects an invalid combination of Internal Mode Switch signals, or a set of signals that indicated a transitional state between gear positions, condition met for 0.5 seconds.
OBDII Code P1819 Chevrolet - Internal Mode Switch - AutoCodes.com

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P1819 CHEVROLET Comments

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